82158128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20789}}^1$

素因数の和:20829

約数の個数: 40

約数和(自身を含む): 180457200

約数和(自身を除く): 98299072

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 20789, 41578, 83156, 166312, 270257, 332624, 394991, 540514, 789982, 1081028, 1579964, 2162056, 3159928, 4324112, 5134883, 6319856, 10269766, 20539532, 41079064, 82158128]

約数ペア:

[(1, 82158128), (2, 41079064), (4, 20539532), (8, 10269766), (13, 6319856), (16, 5134883), (19, 4324112), (26, 3159928), (38, 2162056), (52, 1579964), (76, 1081028), (104, 789982), (152, 540514), (208, 394991), (247, 332624), (304, 270257), (494, 166312), (988, 83156), (1976, 41578), (3952, 20789)]